======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '202'
                                          'artist'  'Waldeck'
                                     'text_people'  ''
                                         'release'  'The Night Garden'
                                           'title'  'Morning Light'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'trip hop', 'chillout', 'electronic']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '131.841'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'The Night Garden'
'TBPM' (BPM (beats per minute))                     '131.841'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Morning Light'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Waldeck'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'trip hop', 'chillout', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.474126'

========================== row from database ==========================
                                              'id'  1351562
                                            'path'  /data/Music/Bulk/00poprockelectronic/Waldeck/2001 - The Night Garden/1-10 Morning Light.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  202
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4855808
                                           'mtime'  1636911465
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2001 1 10 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Waldeck
                                     'tag_release'  The Night Garden
                                       'tag_title'  Morning Light
                                             'bpm'  131.841
                                    'search_title'  'light':2 'morning':1
                                   'search_artist'  'waldeck':1
                                  'search_release'  'garden':3 'night':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1':3 '2001':2 'acid':8 'downtempo':7 'electronic':4 'hop':6 'jazz':9 'trip':5
                                    'search_combo'  '00poprockelectronic':7 '1':9 '2001':8 'acid':14 'downtempo':13 'electronic':10 'garden':6C 'hop':12 'jazz':15 'light':2A 'morning':1A 'night':5C 'the':4C 'trip':11 'waldeck':3B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'downtempo', 'trip hop', 'chillout', 'electronic']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636911464.9304578  (2021-11-14 18:37:44)
                             'size'  4855808